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    Dynamic updating of failover policies for increased application availability
    2.
    发明授权
    Dynamic updating of failover policies for increased application availability 有权
    动态更新故障转移策略，以提高应用程序可用性

    公开(公告)号：US08055933B2

    公开(公告)日：2011-11-08

    申请号：US12506420

    申请日：2009-07-21

    申请人： Astrid A. Jaehde ,  Manjunath B. Muttur ,  Thomas V. Weaver

    发明人： Astrid A. Jaehde ,  Manjunath B. Muttur ,  Thomas V. Weaver

    IPC分类号： G06F11/00

    CPC分类号： G06F11/2035 ,  G06F11/2015 ,  G06F11/2023 ,  G06F11/203 ,  G06F11/2046 ,  G06F11/3409

    摘要： Mechanisms are provided for performing a failover operation of an application from a faulty node of a high availability cluster to a selected target node. The mechanisms receive a notification of an imminent failure of the faulty node. The mechanisms further receive health information from nodes of a local failover scope of a failover policy associated with the faulty node. Moreover, the mechanisms dynamically modify the failover policy based on the health information from the nodes of the local failover scope and select a node from the modified failover policy as a target node for failover of an application running on the faulty node to the target node. Additionally, the mechanisms perform failover of the application to the target node based on the selection of the node from the modified failover policy.

    摘要翻译： 提供了用于执行应用从高可用性集群的故障节点到所选目标节点的故障转移操作的机制。 机制接收到故障节点即将发生故障的通知。 这些机制还从与故障节点相关联的故障转移策略的本地故障切换范围的节点接收健康信息。 此外，机制基于来自本地故障切换范围的节点的运行状况信息动态修改故障转移策略，并从修改的故障转移策略中选择一个节点作为目标节点，用于将故障节点上运行的应用程序故障切换到目标节点。 此外，这些机制基于从修改的故障转移策略中选择节点，对应用程序进行目标节点的故障切换。

    Dynamic Updating of Failover Policies for Increased Application Availability
    3.
    发明申请
    Dynamic Updating of Failover Policies for Increased Application Availability 有权
    动态更新故障转移策略以提高应用程序可用性

    公开(公告)号：US20110022882A1

    公开(公告)日：2011-01-27

    申请号：US12506420

    申请日：2009-07-21

    申请人： Astrid A. Jaehde ,  Manjunath B. Muttur ,  Thomas V. Weaver

    发明人： Astrid A. Jaehde ,  Manjunath B. Muttur ,  Thomas V. Weaver

    IPC分类号： G06F11/20

    CPC分类号： G06F11/2035 ,  G06F11/2015 ,  G06F11/2023 ,  G06F11/203 ,  G06F11/2046 ,  G06F11/3409

    摘要： Mechanisms are provided for performing a failover operation of an application from a faulty node of a high availability cluster to a selected target node. The mechanisms receive a notification of an imminent failure of the faulty node. The mechanisms further receive health information from nodes of a local failover scope of a failover policy associated with the faulty node. Moreover, the mechanisms dynamically modify the failover policy based on the health information from the nodes of the local failover scope and select a node from the modified failover policy as a target node for failover of an application running on the faulty node to the target node. Additionally, the mechanisms perform failover of the application to the target node based on the selection of the node from the modified failover policy.

    摘要翻译： 提供了用于执行应用从高可用性集群的故障节点到所选目标节点的故障转移操作的机制。 机制接收到故障节点即将发生故障的通知。 这些机制还从与故障节点相关联的故障转移策略的本地故障切换范围的节点接收健康信息。 此外，机制基于来自本地故障切换范围的节点的运行状况信息动态修改故障转移策略，并从修改的故障转移策略中选择一个节点作为目标节点，用于将故障节点上运行的应用程序故障切换到目标节点。 此外，这些机制基于从修改的故障转移策略中选择节点，对应用程序进行目标节点的故障切换。

    Automatically managing the state of replicated data of a computing environment, and methods therefor
    4.
    发明授权
    Automatically managing the state of replicated data of a computing environment, and methods therefor 失效
    自动管理计算环境的复制数据的状态及其方法

    公开(公告)号：US07680994B2

    公开(公告)日：2010-03-16

    申请号：US11847792

    申请日：2007-08-30

    申请人： Patrick A. Buah ,  Thomas V. Weaver

    发明人： Patrick A. Buah ,  Thomas V. Weaver

    IPC分类号： G06F12/00

    CPC分类号： G06F11/2069 ,  G06F11/2071

    摘要： The state of data of a communications environment is automatically managed. The automatic management is provided via a facility that automatically obtains the current state of the data and uses that information to place the data in an appropriate state for a selected event to be processed. The data is, for instance, maintained on replicated storage media.

    摘要翻译： 自动管理通信环境的数据状态。 通过自动获取数据的当前状态的设施来提供自动管理，并使用该信息将数据放置在要处理的所选事件的适当状态。 例如，数据被维护在复制的存储介质上。

    Automatically managing the state of replicated data of a computing environment
    5.
    发明授权
    Automatically managing the state of replicated data of a computing environment 失效
    自动管理计算环境的复制数据的状态

    公开(公告)号：US07475204B2

    公开(公告)日：2009-01-06

    申请号：US10997743

    申请日：2004-11-24

    申请人： Patrick A Buah ,  Thomas V Weaver

    发明人： Patrick A Buah ,  Thomas V Weaver

    IPC分类号： G06F12/00

    CPC分类号： G06F11/2069 ,  G06F11/2071

    摘要： The state of data of a communications environment is automatically managed. The automatic management is provided via a facility that automatically obtains the current state of the data and uses that information to place the data in an appropriate state for a selected event to be processed. The data is, for instance, maintained on replicated storage media.

    摘要翻译： 自动管理通信环境的数据状态。 通过自动获取数据的当前状态的设施来提供自动管理，并使用该信息将数据放置在要处理的所选事件的适当状态。 例如，数据被维护在复制的存储介质上。

    Method/apparatus for recovering from a process within the system kernel without creating a recovery environment
    7.
    发明授权
    Method/apparatus for recovering from a process within the system kernel without creating a recovery environment 失效
    用于从系统内核中的进程恢复而不创建恢复环境的方法/装置

    公开(公告)号：US5528750A

    公开(公告)日：1996-06-18

    申请号：US417721

    申请日：1995-04-06

    申请人： Barry P. Lubart ,  Thomas V. Weaver

    发明人： Barry P. Lubart ,  Thomas V. Weaver

    IPC分类号： G06F11/00 ,  G06F11/14

    CPC分类号： G06F11/1441

    摘要： A system and method for establishing a passive recovery environment for an operating system kernel. A cross reference between an instruction address range and recovery routine address is established during binding of the kernel. Normal process initiation and termination includes no recovery overhead. In the case of system failure, the failing instruction address is used to access the recovery routine cross reference tables to determine recovery routine address. The error detection process then initiates recovery routine processing.

    摘要翻译： 一种用于为操作系统内核建立被动恢复环境的系统和方法。 在内核绑定期间建立指令地址范围和恢复例程地址之间的交叉引用。 正常进程启动和终止不包括恢复开销。 在系统故障的情况下，故障指令地址用于访问恢复例程交叉引用表以确定恢复例程地址。 然后，错误检测过程开始恢复例程处理。

    Fast node failure detection via disk based last gasp mechanism
    8.
    发明授权
    Fast node failure detection via disk based last gasp mechanism 失效
    基于最后一个喘气机制的快速节点故障检测

    公开(公告)号：US07937610B2

    公开(公告)日：2011-05-03

    申请号：US11741384

    申请日：2007-04-27

    申请人： John R. Hare ,  Felipe Knop ,  Thomas V. Weaver

    发明人： John R. Hare ,  Felipe Knop ,  Thomas V. Weaver

    IPC分类号： G06F11/00

    CPC分类号： G06F11/0709 ,  G06F11/0757

    摘要： A method for communicating node liveness in a multinode data processing system employs an operating system function that provides a degree of self-awareness in “sensing” an imminent but still pending failure as the basis for providing special flag signals over a channel which employs nonvolatile storage in a heartbeat signaling path.

    摘要翻译： 用于在多节点数据处理系统中传送节点活动性的方法采用操作系统功能，其提供一定程度的自我意识，以“感测”迫在眉睫但仍然未决的故障，作为在使用非易失性存储器的信道上提供特殊标志信号的基础 在心跳信号通路。

    FAST NODE FAILURE DETECTION VIA DISK BASED LAST GASP MECHANISM
    9.
    发明申请
    FAST NODE FAILURE DETECTION VIA DISK BASED LAST GASP MECHANISM 失效
    通过基于最后气体机制的快速节点故障检测

    公开(公告)号：US20080270823A1

    公开(公告)日：2008-10-30

    申请号：US11741384

    申请日：2007-04-27

    申请人： John R. Hare ,  Felipe Knop ,  Thomas V. Weaver

    发明人： John R. Hare ,  Felipe Knop ,  Thomas V. Weaver

    IPC分类号： G06F11/00

    CPC分类号： G06F11/0709 ,  G06F11/0757

    摘要： A method for communicating node liveness in a multinode data processing system employs an operating system function that provides a degree of self-awareness in “sensing” an imminent but still pending failure as the basis for providing special flag signals over a channel which employs nonvolatile storage in a heartbeat signaling path.

    摘要翻译： 用于在多节点数据处理系统中传送节点活动性的方法采用操作系统功能，其提供一定程度的自我意识，以“感测”迫在眉睫但仍然未决的故障，作为在使用非易失性存储器的信道上提供特殊标志信号的基础 在心跳信号通路。